February 23, 2017

Homework Help: physics

Posted by Stan on Tuesday, September 28, 2010 at 5:35pm.

A woman is pushing a sofa at constant speed of 1.0 m/s on a horizontal surface. She exerts a horizontal force of 80 N in the direction of motion.

Approximately how hard would the woman have to push to keep the sofa moving at a constant speed of 2.0 m/s? explain

I am unsure how to calculate this

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